Patent · US Active

Process for preparing isoxaflutole

US9868709B2 · kind B2 · utility

0Cited by
1References
20Claims
0Family size

Inventors

Key dates

Filing dateNov 30, 2016
Grant dateJan 16, 2018
Priority date
Expiry dateNov 30, 2036

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D261/08
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

A process for preparing isoxaflutole of formula (I) wherein the process comprises: admixing (5-cyclopropyl-4-isoxazolyl)[2-(methylthio)-4-(trifluoromethyl)phenyl]-methanone of formula (II) with acetic acid and hydrogen peroxide in the presence of a strong acid.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.